About the Number

6620640

6620639 ← → 6620641

2進数表記:11001010000010111100000

漢数字表記:六百六十二万六百四十

素因数分解:

2 5 × 3 1 × 5 1 × 13 1 × 1061 1

素因数の和:1092
約数の個数: 96
約数和(自身を含む): 22480416
約数和(自身を除く): 15859776

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1061, 1248, 1560, 2080, 2122, 3120, 3183, 4244, 5305, 6240, 6366, 8488, 10610, 12732, 13793, 15915, 16976, 21220, 25464, 27586, 31830, 33952, 41379, 42440, 50928, 55172, 63660, 68965, 82758, 84880, 101856, 110344, 127320, 137930, 165516, 169760, 206895, 220688, 254640, 275860, 331032, 413790, 441376, 509280, 551720, 662064, 827580, 1103440, 1324128, 1655160, 2206880, 3310320, 6620640]

約数ペア:
[(1, 6620640), (2, 3310320), (3, 2206880), (4, 1655160), (5, 1324128), (6, 1103440), (8, 827580), (10, 662064), (12, 551720), (13, 509280), (15, 441376), (16, 413790), (20, 331032), (24, 275860), (26, 254640), (30, 220688), (32, 206895), (39, 169760), (40, 165516), (48, 137930), (52, 127320), (60, 110344), (65, 101856), (78, 84880), (80, 82758), (96, 68965), (104, 63660), (120, 55172), (130, 50928), (156, 42440), (160, 41379), (195, 33952), (208, 31830), (240, 27586), (260, 25464), (312, 21220), (390, 16976), (416, 15915), (480, 13793), (520, 12732), (624, 10610), (780, 8488), (1040, 6366), (1061, 6240), (1248, 5305), (1560, 4244), (2080, 3183), (2122, 3120)]

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